A van rolling along a Cross County Parkway overpass toppled over the side, flipped over and landed on the Bronx River Parkway below about 6:30 a.m. (Anthony DelMundo/New York Daily News)

Two bizarre accidents are causing a rush-hour migraine for drivers in the Bronx and Westchester Thursday morning.

A van rolling along a Cross County Parkway overpass in Yonkers toppled over the side, flipped over and landed on the Bronx River Parkway below at about 6:30 a.m., blocking two lanes of Bronx-bound traffic, according to LoHud. No serious injuries were reported.